Credit: Dept. of Entomology, University of Minnesota
Credit: Dept. of Entomology, University of Minnesota
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Aphids
Active during spring and summer
Feeding by small or moderate numbers of aphids usually does not cause visible symptoms; feeding by larger numbers of aphids can cause curling, stunting, and wilting of leaves
1/10th inch long
Small insects, pear-shaped, usually greenish; clustered on leaves
3 of 4
Credit: Jeff Hahn
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Whiteflies
Usually noticed during mid to late summer
Numbers are usually not sufficient to cause damage to plants
Adults are very small, white and moth-like
1/16th inch long
4 of 4
Lady Beetle Larvae and Adults
Present spring and summer
Beneficial insects, feeding on aphids and other soft-bodied insects
Larvae are usually black or blue with orange, spines may be present
Larvae are up to 1/2 inch long
Adults are typically reddish-orange to pink with black spots